US Patent for Countercurrent drum mixer asphalt plant Related Information

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US Patent for Rotary drum dryer having aggregate cooled

May 09, 1994 · A rotary drum dryer has devices for cooling shielding flights located in the combustion zone of the drum. The devices comprise cooling flights which rotate with the drum to scoop up relatively small amounts of virgin aggregate from aggregate accumulated in the lower portion of the drum and to shower this aggregate over the outer radial surface of the shielding flights upon further rotation of

US Patent for Asphalt plant drum drive Patent (Patent

The present application discloses an asphalt drum that is supplied with a forward and rearward insulator ring. This ring is typically constructed of a ceramic insulation such as (THERMO-MAX). The insulation is further encased in a steel shell to protect the ceramic ring and to allow for a durable drive surface. Through the use of the insulation ring the typical steel trunnions may be replaced

Standard Havens, Inc. - PlainSite

Patent Patent Patent: 06879996 07075442 06877120 4860915 4797002 4787938: Countercurrent Drum Mixer Asphalt Plant Apparatus For Mixing Asphalt Compositions Baghouse With Integral Wall Stiffeners Apparatus For Mixing Asphalt Compositions Baghouse With Integral Wall Stiffeners Countercurrent Drum Mixer Asphalt Plant

Countercurrent drum mixer - BRACEGIRDLE; PAUL E.

US Patent References: 4787938: Countercurrent drum mixer asphalt plant: Kefid: Hawkins: 432/14: 4522498: Asphaltic concrete recycle apparatus and method: Kefid: Mendenhall: 366/4: 4462690: Apparatus for the production of applicable coating _material for …

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us20040264292a1 - barge-mounted concrete - google patents. A vessel-mountedconcretemixing system is disclosed that includes a barge having a deck elevated above the water line, at least one rotary mixing drum mounted on the deck to receive, mix and dischargeconcretebatch ingredients and aconveyorsystem for conveying mixedconcretebatch material discharged from one or more rotary …

US5470146A - Countercurrent drum mixer asphalt plant

Justia Patents By Hot Gases To Interior US Patent for Countercurrent drum mixer asphalt plant Patent (Patent # 5,470,146) Countercurrent drum mixer asphalt plant Dec 27, 1991 - Standard Havens, Inc.

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Aug 22, 2017 · Wirtgen Complaint Sparks US Patent Probe against Caterpillar. Asphalt Plants. With the increase in the amount of recycled asphalt pavement (RAP) used in modern mix designs, good RAP

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US Patent for Polymer modified binder and plant mix

Mar 08, 2011 · The invention provides a polymer modified binder using an asphalt plant mix modifier comprising a mixture of thermoplastic polymers, comprising both elastomers and plastomers, blended with oils and dispersed in a powder medium to facilitate flow. The use of polymers in dry form has provides for a means of incorporating additives into asphalt that can be successfully performed within …

Patents Assigned to Standard Havens, Inc. - Justia Patents

Countercurrent drum mixer asphalt plant Patent number: 5470146 Abstract: A drum mixer asphalt plant is provided with a rotatable cylinder 10 in which virgin aggregate, recycle material and liquid asphalt are mixed to produce an asphaltic composition and the hot gas stream for heating and drying the materials flow in countercurrent relation.

Countercurrent drum mixer asphalt plant - Standard Havens

A drum mixer asphalt plant is provided with a rotatable cylinder 10 in which virgin aggregate, recycle material and liquid asphalt are mixed to produce an asphaltic composition and the hot gas stream for heating and drying the materials flow in countercurrent relation. In a first zone within the cylinder 10, aggregates are heated and dried by heat radiation and a hot gas stream generated at a

Advances in solvent deasphalting technology - OSTI.GOV

Dec 01, 1996 · United States. Copy to clipboard @article{osti_403512, title = {Advances in solvent deasphalting technology}, author = {Northup, A H and Sloan, H D}, abstractNote = {The introduction of the Residuum Oil Supercritical Extraction (ROSE{trademark}) process in the 1970`s made it possible to design energy efficient, cost effective deasphalting units

US4910540A - Countercurrent asphalt drum dryer/mixer

Dec 27, 1991 · Countercurrent drum mixer asphalt plant . United States Patent 5470146 . Abstract: A drum mixer asphalt plant is provided with a rotatable cylinder 10 in which virgin aggregate, recycle material and liquid asphalt are mixed to produce an asphaltic composition and the hot gas stream for heating and drying the materials flow in countercurrent